h6. [[WindowManager]] h6(. » [[WindowManager SWI Calls|SWI Calls]] h6((. » [[Wimp_Extend|Wimp_Extend]] h6(((. » Wimp_Extend (stack information) h2. Wimp_Extend (stack information) h5. (SWI &400FB) |_<^. Entry |_\2<^. | |/6<^. R0 |\2<^. Reason Code | |<^. 6 |<^. Return handle of parent window | |<^. 7 |<^. Return handle of top child window | |<^. 8 |<^. Return handle of bottom child window | |<^. 9 |<^. Return handle of sibling window immediately above | |<^. 10 |<^. Return handle of sibling window immediately below | |<^. R1 |\2<^. Window handle, or -1 for top level | |_<^. Exit |_<^. | |<^. R1 |<^. Next window handle, or -1 for none | h4. Use This call with a reason code of 6 to 10, returns the handle of a window relative to the window specified in R1 (if provided) h4. Notes A returned value of -1 means one of the following: * 'no window' * R1 was -1 on entry and R0 was not 7 or 8 Pane windows are not skipped when using this call. h4. See also * [[Wimp_Extend|Wimp_Extend]] * [[Wimp_Extend (sprite suffix)|Wimp_Extend (sprite suffix)]] * [[Wimp_Extend (window information)|Wimp_Extend (window information)]]